Java Backend Developer (Digital Hangar)

At Digital Hangar, we build large-scale digital products that serve customers and employees across Lufthansa Group airlines worldwide. By combining cloud-native technologies, DevOps practices, and AI-assisted development, our engineering teams deliver innovative solutions at scale. We actively explore emerging technologies such as AI agents, Agentic Engineering, and intelligent automation, integrating them into our products and development processes where they add real business value.

Who are you? 4+ years of professional Java development experience. Hands-on experience with microservices and distributed systems.

Experience with REST APIs and event-driven architecture (e.g. Kafka). Practical experience with containers, Kubernetes and CI/CD.

Understanding software architecture, clean code and engineering best practices. Experience using AI-assisted development tools such as GitHub Copilot, Cursor, Claude Code or similar. Strong problem-solving and collaboration skills.

Professional working proficiency in English (B2/C1). Availability to work in a hybrid model – 2 days per week in our Gdańsk office What do we welcome? Azure and cloud-native services.

Observability / OpenTelemetry. AI-powered applications, LLMs, RAG, MCP or AI agents. Agile and cross-functional product teams.

Why do we need you? In this role, you will be responsible for: Design, build and operate Java-based backend services used across Lufthansa Group. Develop cloud-native microservices, REST APIs and event-driv